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Finding the Fourth Proportional to 61,224.33, 84,482.82 and 34,360.68

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Solution

The fourth proportional to 61,224.33, 84,482.82 and 34,360.68 is: 47,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,224.33 : 84,482.82 = 34,360.68 : x
  2. Step 2: Convert to fraction form
    61,224.33/84,482.82 = 34,360.68/x
  3. Step 3: Cross multiply
    61,224.33x = 84,482.82 × 34,360.68
  4. Step 4: Simplify right side
    61,224.33x = 2,902,887,143.52
  5. Step 5: Solve for x
    x = 2,902,887,143.52/61,224.33
  6. Step 6: Final answer
    x = 47,413.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.